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d5f691be0b
As per Intel MKL command line advisor, "libdl" is added to the list of libraries that provide LAPACK functionality. Furthermore, the implicit link directories are added to the searched libraries to allow finding of "libgomp".
405 lines
10 KiB
CMake
405 lines
10 KiB
CMake
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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#[=======================================================================[.rst:
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FindLAPACK
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----------
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Find LAPACK library
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This module finds an installed fortran library that implements the
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LAPACK linear-algebra interface (see http://www.netlib.org/lapack/).
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The approach follows that taken for the autoconf macro file,
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acx_lapack.m4 (distributed at
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http://ac-archive.sourceforge.net/ac-archive/acx_lapack.html).
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This module sets the following variables:
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::
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LAPACK_FOUND - set to true if a library implementing the LAPACK interface
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is found
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LAPACK_LINKER_FLAGS - uncached list of required linker flags (excluding -l
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and -L).
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LAPACK_LIBRARIES - uncached list of libraries (using full path name) to
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link against to use LAPACK
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LAPACK95_LIBRARIES - uncached list of libraries (using full path name) to
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link against to use LAPACK95
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LAPACK95_FOUND - set to true if a library implementing the LAPACK f95
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interface is found
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BLA_STATIC if set on this determines what kind of linkage we do (static)
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BLA_VENDOR if set checks only the specified vendor, if not set checks
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all the possibilities
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BLA_F95 if set on tries to find the f95 interfaces for BLAS/LAPACK
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List of vendors (BLA_VENDOR) valid in this module:
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* Intel(mkl)
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* OpenBLAS
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* FLAME
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* ACML
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* Apple
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* NAS
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* Generic
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#]=======================================================================]
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set(_lapack_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES})
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# Check the language being used
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if( NOT (CMAKE_C_COMPILER_LOADED OR CMAKE_CXX_COMPILER_LOADED OR CMAKE_Fortran_COMPILER_LOADED) )
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if(LAPACK_FIND_REQUIRED)
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message(FATAL_ERROR "FindLAPACK requires Fortran, C, or C++ to be enabled.")
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else()
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message(STATUS "Looking for LAPACK... - NOT found (Unsupported languages)")
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return()
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endif()
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endif()
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if (CMAKE_Fortran_COMPILER_LOADED)
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include(${CMAKE_CURRENT_LIST_DIR}/CheckFortranFunctionExists.cmake)
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else ()
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include(${CMAKE_CURRENT_LIST_DIR}/CheckFunctionExists.cmake)
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endif ()
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include(${CMAKE_CURRENT_LIST_DIR}/CMakePushCheckState.cmake)
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cmake_push_check_state()
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set(CMAKE_REQUIRED_QUIET ${LAPACK_FIND_QUIETLY})
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set(LAPACK_FOUND FALSE)
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set(LAPACK95_FOUND FALSE)
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# TODO: move this stuff to separate module
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macro(Check_Lapack_Libraries LIBRARIES _prefix _name _flags _list _blas _threads)
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# This macro checks for the existence of the combination of fortran libraries
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# given by _list. If the combination is found, this macro checks (using the
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# Check_Fortran_Function_Exists macro) whether can link against that library
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# combination using the name of a routine given by _name using the linker
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# flags given by _flags. If the combination of libraries is found and passes
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# the link test, LIBRARIES is set to the list of complete library paths that
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# have been found. Otherwise, LIBRARIES is set to FALSE.
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# N.B. _prefix is the prefix applied to the names of all cached variables that
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# are generated internally and marked advanced by this macro.
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set(_libraries_work TRUE)
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set(${LIBRARIES})
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set(_combined_name)
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if (NOT _libdir)
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if (WIN32)
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set(_libdir ENV LIB)
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elseif (APPLE)
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set(_libdir ENV DYLD_LIBRARY_PATH)
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else ()
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set(_libdir ENV LD_LIBRARY_PATH)
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endif ()
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endif ()
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list(APPEND _libdir "${CMAKE_C_IMPLICIT_LINK_DIRECTORIES}")
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foreach(_library ${_list})
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set(_combined_name ${_combined_name}_${_library})
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if(_libraries_work)
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if (BLA_STATIC)
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if (WIN32)
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set(CMAKE_FIND_LIBRARY_SUFFIXES .lib ${CMAKE_FIND_LIBRARY_SUFFIXES})
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endif ()
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if (APPLE)
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set(CMAKE_FIND_LIBRARY_SUFFIXES .lib ${CMAKE_FIND_LIBRARY_SUFFIXES})
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else ()
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set(CMAKE_FIND_LIBRARY_SUFFIXES .a ${CMAKE_FIND_LIBRARY_SUFFIXES})
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endif ()
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else ()
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if (CMAKE_SYSTEM_NAME STREQUAL "Linux")
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# for ubuntu's libblas3gf and liblapack3gf packages
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set(CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES} .so.3gf)
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endif ()
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endif ()
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find_library(${_prefix}_${_library}_LIBRARY
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NAMES ${_library}
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PATHS ${_libdir}
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)
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mark_as_advanced(${_prefix}_${_library}_LIBRARY)
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set(${LIBRARIES} ${${LIBRARIES}} ${${_prefix}_${_library}_LIBRARY})
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set(_libraries_work ${${_prefix}_${_library}_LIBRARY})
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endif()
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endforeach()
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if(_libraries_work)
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# Test this combination of libraries.
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if(UNIX AND BLA_STATIC)
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set(CMAKE_REQUIRED_LIBRARIES ${_flags} "-Wl,--start-group" ${${LIBRARIES}} ${_blas} "-Wl,--end-group" ${_threads})
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else()
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set(CMAKE_REQUIRED_LIBRARIES ${_flags} ${${LIBRARIES}} ${_blas} ${_threads})
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endif()
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# message("DEBUG: CMAKE_REQUIRED_LIBRARIES = ${CMAKE_REQUIRED_LIBRARIES}")
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if (NOT CMAKE_Fortran_COMPILER_LOADED)
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check_function_exists("${_name}_" ${_prefix}${_combined_name}_WORKS)
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else ()
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check_fortran_function_exists(${_name} ${_prefix}${_combined_name}_WORKS)
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endif ()
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set(CMAKE_REQUIRED_LIBRARIES)
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mark_as_advanced(${_prefix}${_combined_name}_WORKS)
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set(_libraries_work ${${_prefix}${_combined_name}_WORKS})
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#message("DEBUG: ${LIBRARIES} = ${${LIBRARIES}}")
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endif()
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if(_libraries_work)
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set(${LIBRARIES} ${${LIBRARIES}} ${_blas} ${_threads})
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else()
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set(${LIBRARIES} FALSE)
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endif()
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endmacro()
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set(LAPACK_LINKER_FLAGS)
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set(LAPACK_LIBRARIES)
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set(LAPACK95_LIBRARIES)
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if(LAPACK_FIND_QUIETLY OR NOT LAPACK_FIND_REQUIRED)
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find_package(BLAS)
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else()
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find_package(BLAS REQUIRED)
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endif()
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if(BLAS_FOUND)
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set(LAPACK_LINKER_FLAGS ${BLAS_LINKER_FLAGS})
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if (NOT $ENV{BLA_VENDOR} STREQUAL "")
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set(BLA_VENDOR $ENV{BLA_VENDOR})
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else ()
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if(NOT BLA_VENDOR)
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set(BLA_VENDOR "All")
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endif()
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endif ()
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#intel lapack
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if (BLA_VENDOR MATCHES "Intel" OR BLA_VENDOR STREQUAL "All")
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if (NOT WIN32)
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set(LAPACK_mkl_LM "-lm")
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set(LAPACK_mkl_LDL "-ldl")
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endif ()
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if (CMAKE_C_COMPILER_LOADED OR CMAKE_CXX_COMPILER_LOADED)
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if(LAPACK_FIND_QUIETLY OR NOT LAPACK_FIND_REQUIRED)
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find_PACKAGE(Threads)
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else()
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find_package(Threads REQUIRED)
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endif()
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if (BLA_VENDOR MATCHES "_64ilp")
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set(LAPACK_mkl_ILP_MODE "ilp64")
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else ()
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set(LAPACK_mkl_ILP_MODE "lp64")
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endif ()
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set(LAPACK_SEARCH_LIBS "")
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if (BLA_F95)
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set(LAPACK_mkl_SEARCH_SYMBOL "cheev_f95")
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set(_LIBRARIES LAPACK95_LIBRARIES)
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set(_BLAS_LIBRARIES ${BLAS95_LIBRARIES})
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# old
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list(APPEND LAPACK_SEARCH_LIBS
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"mkl_lapack95")
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# new >= 10.3
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list(APPEND LAPACK_SEARCH_LIBS
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"mkl_intel_c")
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list(APPEND LAPACK_SEARCH_LIBS
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"mkl_lapack95_${LAPACK_mkl_ILP_MODE}")
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else()
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set(LAPACK_mkl_SEARCH_SYMBOL "cheev")
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set(_LIBRARIES LAPACK_LIBRARIES)
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set(_BLAS_LIBRARIES ${BLAS_LIBRARIES})
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# old
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list(APPEND LAPACK_SEARCH_LIBS
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"mkl_lapack")
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endif()
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# First try empty lapack libs
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if (NOT ${_LIBRARIES})
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check_lapack_libraries(
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${_LIBRARIES}
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LAPACK
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${LAPACK_mkl_SEARCH_SYMBOL}
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""
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""
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"${_BLAS_LIBRARIES}"
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""
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)
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endif ()
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# Then try the search libs
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foreach (IT ${LAPACK_SEARCH_LIBS})
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if (NOT ${_LIBRARIES})
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check_lapack_libraries(
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${_LIBRARIES}
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LAPACK
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${LAPACK_mkl_SEARCH_SYMBOL}
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""
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"${IT}"
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"${_BLAS_LIBRARIES}"
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"${CMAKE_THREAD_LIBS_INIT};${LAPACK_mkl_LM};${LAPACK_mkl_LDL}"
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)
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endif ()
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endforeach ()
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unset(LAPACK_mkl_ILP_MODE)
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unset(LAPACK_mkl_SEARCH_SYMBOL)
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unset(LAPACK_mkl_LM)
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unset(LAPACK_mkl_LDL)
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endif ()
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endif()
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if (BLA_VENDOR STREQUAL "Goto" OR BLA_VENDOR STREQUAL "All")
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if(NOT LAPACK_LIBRARIES)
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check_lapack_libraries(
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LAPACK_LIBRARIES
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LAPACK
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cheev
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""
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"goto2"
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"${BLAS_LIBRARIES}"
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""
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)
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endif()
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endif ()
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if (BLA_VENDOR STREQUAL "OpenBLAS" OR BLA_VENDOR STREQUAL "All")
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if(NOT LAPACK_LIBRARIES)
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check_lapack_libraries(
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LAPACK_LIBRARIES
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LAPACK
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cheev
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""
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"openblas"
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"${BLAS_LIBRARIES}"
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""
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)
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endif()
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endif ()
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if (BLA_VENDOR STREQUAL "FLAME" OR BLA_VENDOR STREQUAL "All")
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if(NOT LAPACK_LIBRARIES)
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check_lapack_libraries(
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LAPACK_LIBRARIES
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LAPACK
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cheev
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""
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"flame"
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"${BLAS_LIBRARIES}"
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""
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)
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endif()
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endif ()
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#acml lapack
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if (BLA_VENDOR MATCHES "ACML" OR BLA_VENDOR STREQUAL "All")
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if (BLAS_LIBRARIES MATCHES ".+acml.+")
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set (LAPACK_LIBRARIES ${BLAS_LIBRARIES})
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endif ()
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endif ()
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# Apple LAPACK library?
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if (BLA_VENDOR STREQUAL "Apple" OR BLA_VENDOR STREQUAL "All")
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if(NOT LAPACK_LIBRARIES)
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check_lapack_libraries(
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LAPACK_LIBRARIES
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LAPACK
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cheev
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""
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"Accelerate"
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"${BLAS_LIBRARIES}"
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""
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)
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endif()
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endif ()
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if (BLA_VENDOR STREQUAL "NAS" OR BLA_VENDOR STREQUAL "All")
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if ( NOT LAPACK_LIBRARIES )
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check_lapack_libraries(
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LAPACK_LIBRARIES
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LAPACK
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cheev
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""
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"vecLib"
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"${BLAS_LIBRARIES}"
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""
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)
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endif ()
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endif ()
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# Generic LAPACK library?
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if (BLA_VENDOR STREQUAL "Generic" OR
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BLA_VENDOR STREQUAL "ATLAS" OR
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BLA_VENDOR STREQUAL "All")
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if ( NOT LAPACK_LIBRARIES )
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check_lapack_libraries(
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LAPACK_LIBRARIES
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LAPACK
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cheev
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""
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"lapack"
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"${BLAS_LIBRARIES}"
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""
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)
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endif ()
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endif ()
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else()
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message(STATUS "LAPACK requires BLAS")
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endif()
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if(BLA_F95)
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if(LAPACK95_LIBRARIES)
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set(LAPACK95_FOUND TRUE)
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else()
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set(LAPACK95_FOUND FALSE)
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endif()
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if(NOT LAPACK_FIND_QUIETLY)
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if(LAPACK95_FOUND)
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message(STATUS "A library with LAPACK95 API found.")
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else()
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if(LAPACK_FIND_REQUIRED)
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message(FATAL_ERROR
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"A required library with LAPACK95 API not found. Please specify library location."
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)
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else()
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message(STATUS
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"A library with LAPACK95 API not found. Please specify library location."
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)
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endif()
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endif()
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endif()
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set(LAPACK_FOUND "${LAPACK95_FOUND}")
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set(LAPACK_LIBRARIES "${LAPACK95_LIBRARIES}")
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else()
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if(LAPACK_LIBRARIES)
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set(LAPACK_FOUND TRUE)
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else()
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set(LAPACK_FOUND FALSE)
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endif()
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if(NOT LAPACK_FIND_QUIETLY)
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if(LAPACK_FOUND)
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message(STATUS "A library with LAPACK API found.")
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else()
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if(LAPACK_FIND_REQUIRED)
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message(FATAL_ERROR
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"A required library with LAPACK API not found. Please specify library location."
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)
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else()
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message(STATUS
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"A library with LAPACK API not found. Please specify library location."
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)
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endif()
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endif()
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endif()
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endif()
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cmake_pop_check_state()
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set(CMAKE_FIND_LIBRARY_SUFFIXES ${_lapack_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES})
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